@article{ZVMMF_2011_51_8_a7,
     author = {A. A. Azamov and O. S. Akhmedov},
     title = {Existence of a~complex closed trajectory in a~three-dimensional dynamical system},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1449--1456},
     publisher = {mathdoc},
     volume = {51},
     number = {8},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2011_51_8_a7/}
}